Developmental Sound Chart - Males

Age	Sounds
3 yrs.	p, b, m, h, w
3 yrs. 6 mo.	d, k, n, initial f (fun), t
4 yrs.	g
5 yrs.	y
5 yrs. 6 mo.	final f (if), v, kw, tw
6 yrs.	initial l (love), pl, bl, kl, gl, fl
7 yrs.	ch, sh, j, voiced th (this), final l (ball), ing, r, er, s, z, sw, sp, st, sm, sn, sl, sk, skw, spl
8 yrs.	voiceless th (thumb), dr, tr, br, pr, kr, gr, fr
9 yrs.	thr, spr, str, skr

Developmental Sound Chart - Females

Age	Sounds
3 yrs.	p, b, d, m, h, w
3 yrs. 6 mo.	k, g, n, initial f (fun)
4 yrs.	t, y, tw, kw
4 yrs. 6 mo.	voiced th (this)
5 yrs.	initial l (love)
5 yrs. 6 mo.	final f (if), v, pl, bl, fl, kl, gl
6 yrs.	ch, sh, j, voiceless th (thumb), final l (ball)
7 yrs.	ing, s, z, sp, st, sk, sm, sn, sw, sl, skw, spl, r, er, dr, tr, br, pr, kr, gr, fr
8 yrs.	thr, spr, str, skr

Information obtained from a Speech and Language Pathologist